Answer:
B
Step-by-step explanation:

Answer:
60°
Step-by-step explanation:
angle A +angle B +angle C = 180
30° +B+90°= 180
120°+B=180°
B=180°-120°
B=60°
Answer:
Rate of change of profit for this period = $2750 / month
Answer:
5=100
6=900
8=375
Step-by-step explanation:
LxWxH
20x4
300x3
5x5=25 x 15= 375